21510032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2607

約数の個数: 40

約数和(自身を含む): 45568512

約数和(自身を除く): 24058480

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2551, 4216, 5102, 8432, 10204, 20408, 40816, 43367, 79081, 86734, 158162, 173468, 316324, 346936, 632648, 693872, 1265296, 1344377, 2688754, 5377508, 10755016, 21510032]

約数ペア:

[(1, 21510032), (2, 10755016), (4, 5377508), (8, 2688754), (16, 1344377), (17, 1265296), (31, 693872), (34, 632648), (62, 346936), (68, 316324), (124, 173468), (136, 158162), (248, 86734), (272, 79081), (496, 43367), (527, 40816), (1054, 20408), (2108, 10204), (2551, 8432), (4216, 5102)]